known quantity

someone whose character, personality, and behavior are recognized and understood. We need not worry about how John will behave. He is a known quantity. Lisa is a known quantity and I am sure she will not surprise us by voting with the opposition.

Common Names:

Name	Pronounced	Usage
Saqui	-	Native American, Mapuche
Armitage	['a:mitidʒ]
Howell	[hauəl]
Claude	[klɔ:d]
Arnvi&Eth;R	-	Ancient Scandinavian
Berta	BER-tah (Polish, German, Italian)	Polish, Czech, Hungarian, German, Spanish, Catalan, Italian, Slovene